Тупо сделайте , умоляю , Англичане

I have not yet eaten today. He did not eat yesterday. Did you play the piano yesterday? Have you played the piano today? What have you prepared for today? Look at this birdhouse. Mike has made it himself. He made it last Sunday. Where did you put my pen? I cannot find it. Have you seen Mary today? When did you see Mary? - I saw her last week.